Problem regarding Deployment of EJB jar file

I am getting the following problem when i am trying to deploy my EJB on to the Weblogic 8.1 using the EjbModules option.
Please help me
Exception:weblogic.management.ApplicationException: prepare failed for mybank Module: mybank Error: Exception preparing module: EJBModule(mybank,status=NEW) Unable to deploy EJB: E:\OnlineBanking\mybank\mybank.jar from mybank.jar: weblogic.ejb20.deployer.DeploymentDescriptorException: Unable to load a class specified in your ejb-jar.xml: Class bytes found but defineClass()failed for: 'mybankEJB' at weblogic.ejb20.deployer.MBeanDeploymentInfoImpl.initializeBeanInfos(Lweblogic.management.descriptors.toplevel.EJBDescriptorMBean;Lweblogic.utils.classloaders.GenericClassLoader;)V(MBeanDeploymentInfoImpl.java:550) at weblogic.ejb20.deployer.MBeanDeploymentInfoImpl.<init>(Lweblogic.management.descriptors.toplevel.EJBDescriptorMBean;Lweblogic.utils.classloaders.GenericClassLoader;Ljava.lang.String;Ljava.lang.String;Ljava.lang.String;Lweblogic.utils.jars.VirtualJarFile;)V(MBeanDeploymentInfoImpl.java:232) at weblogic.ejb20.deployer.EJBDeployer.prepare(Lweblogic.utils.jars.VirtualJarFile;Ljava.lang.ClassLoader;Lweblogic.management.descriptors.toplevel.EJBDescriptorMBean;Ljavax.naming.Context;Ljava.util.Map;)V(EJBDeployer.java:1302) at weblogic.ejb20.deployer.EJBModule.prepare(Ljava.lang.ClassLoader;)V(EJBModule.java:498) at weblogic.j2ee.J2EEApplicationContainer.prepareModule(Lweblogic.utils.classloaders.GenericClassLoader;Lweblogic.j2ee.J2EEApplicationContainer$Component;Z)V(J2EEApplicationContainer.java:3101) at weblogic.j2ee.J2EEApplicationContainer.prepareModules([Lweblogic.j2ee.J2EEApplicationContainer$Component;Ljava.lang.String;Z)V(J2EEApplicationContainer.java:1560) at weblogic.j2ee.J2EEApplicationContainer.prepare([Lweblogic.j2ee.J2EEApplicationContainer$Component;[Ljava.lang.String;Ljava.lang.String;Ljava.lang.String;)V(J2EEApplicationContainer.java:1208) at weblogic.j2ee.J2EEApplicationContainer.prepare(Ljava.lang.String;[Lweblogic.management.configuration.ComponentMBean;[Ljava.lang.String;)V(J2EEApplicationContainer.java:1051) at weblogic.management.deploy.slave.SlaveDeployer$ComponentActivateTask.prepareContainer()V(SlaveDeployer.java:2444) at weblogic.management.deploy.slave.SlaveDeployer$ActivateTask.createContainer()Z(SlaveDeployer.java:2394) at weblogic.management.deploy.slave.SlaveDeployer$ActivateTask.prepare()V(SlaveDeployer.java:2310) at weblogic.management.deploy.slave.SlaveDeployer.processPrepareTask(Lweblogic.management.deploy.OamVersion;Lweblogic.management.runtime.DeploymentTaskRuntimeMBean;Z)V(SlaveDeployer.java:866) at weblogic.management.deploy.slave.SlaveDeployer.prepareDelta(Lweblogic.management.deploy.OamDelta;Lweblogic.management.deploy.OamVersion;ZLjava.lang.StringBuffer;)Z(SlaveDeployer.java:594) at weblogic.management.deploy.slave.SlaveDeployer.prepareUpdate(Ljava.util.ArrayList;Z)V(SlaveDeployer.java:508) at weblogic.drs.internal.SlaveCallbackHandler$1.execute(Lweblogic.kernel.ExecuteThread;)V(SlaveCallbackHandler.java:25) at weblogic.kernel.ExecuteThread.execute(Lweblogic.kernel.ExecuteRequest;)V(ExecuteThread.java:219) at weblogic.kernel.ExecuteThread.run()V(ExecuteThread.java:178) at java.lang.Thread.startThreadFromVM(Ljava.lang.Thread;)V(Unknown Source)

In addition to the JavaEE Tutorial link above, Sun Java System Application Server 9.0 Documentation is here:
http://docs.sun.com/app/docs/coll/1343.3
-cheng

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Deployment problems when using several ejb-jar files

Hello All,
I am having problems with deployment of my J2EE application. My EAR file has several EJB-JARs, one for each entity bean. However I refer to the other EJBs in one EJB. Hence I included the <ejb-ref> element in the deployment descriptor of the entity bean. But I am getting the deployment error that "the bundle does not contain the bean name". I tried to change the <ejb-name> value (within the <ejb-ref> element) to the JNDI name of the EJB I am referring to, and also added the <ejb-link> tag specifying the location of the JAR file that has the EJB. None of the attempts worked.
Can someone help me out on how I am supposed to go about when I have several ejb-jar files as opposed to a single one? I am deploying my app on Sun ONE AS 7.0.
Thank you,
PS: I am posting this message on several forum topics. Please disregard this message if you have seen/answered this message. Thanks.

Hi ,
It would help if you could post the relevant snippets of your
ejb-jar.xml. In general, you definitely shouldn't use jndi-name
for any of the linking information. jndi-name is not part of the
standard deployment descriptor. The syntax for the ejb-link is
[ejb-jar uri]#ejb-name
K

Deployment error when using several ejb-jar files

Hello All,
I am having problems with deployment of my J2EE application. My EAR file has several EJB-JARs, one for each entity bean. However I refer to the other EJBs in one EJB. Hence I included the <ejb-ref> element in the deployment descriptor of the entity bean. But I am getting the deployment error that "the bundle does not contain the bean name". I tried to change the <ejb-name> value (within the <ejb-ref> element) to the JNDI name of the EJB I am referring to, and also added the <ejb-link> tag specifying the location of the JAR file that has the EJB. None of the attempts worked.
Can someone help me out on how I am supposed to go about when I have several ejb-jar files as opposed to a single one? I am deploying my app on Sun ONE AS 7.0.
Thank you,
PS: I am posting this message on several forum topics. Please disregard this message if you have seen/answered this message. Thanks.

Hello,
Thanks for the response. I have got both Local and Remote EJB References, but for the JAR (where the ejbc compiler stopped) that I have an error, it is the local reference.

Problem building EJB jar file using Eclipse

Hi,
Here's my file sturcture.
ejb\x\y\z\test\
ejb\x\y\z\test1\
'ejb' is the root directory.
The java source files under 'test' have a package name x.y.z.test.
The java source files under 'test1' have a package name x.y.z.test1.
I want to build a EJB jar file for 'test' and 'test1' separately. In eclipse when I create an EJB project, I specify the root folder as the source in the java build path settings. So the project explorer in Eclipse shows both the packages since they are under the same root folder. When I try to do 'Export - EJB Jar File', it includes both the 'test' and 'test1' in the .jar. Is there a way to build them separately ?
Thanks,

As far as I know, there is no way in Eclipse to specify a package prefix for a source folder. Assuming that you are not using an operating system with support for symbolic links at FS-level, the only way I can think of solving your problem is via linked folders and includes/excludes.
1. Create two ejb projects in your workspace. Specify locations somewhere independent of where the root of your source tree is located.
2. Right click on proj1 and select Properties / Java Build Path / Source.
3. Click Link Source and specify the location to your source root on disk. Click Next.
4. In the inclusion patterns section, add a pattern that captures classes appropriate for that module. Click Finish.
5. Delete the original source directory that was created during project creation before leaving Build Path configuration dialog.
6. Repeat steps 2-5 on the second project, except specify a different inclusion pattern.
This should produce a project structure that Eclipse will be happy with, but you have to be a little bit careful. Even though you filtered out classes from the view of the java compiler for a particular project, you will still see them listed in the various navigational views (such as Package Explorer or Project Explorer). Don't modify these filtered out files. The project that is supposed to be building them will not react to changes in the other project. You will have to manually refresh (right click on project and select refresh) the other project before the java compiler will see changes.
Hope this will help you out.
- Konstantin

How to deploy EJB jar file in Weblogic 8.1

Hi,
I have created the EJB jar file, bearing home,remote,ejb and client class aling with the META-INF folder containing ejb-jar.xml and weblogic-ejb-jar.xml.
After all this I am confused where to put this EJB jar file so that the container could deploy it.
I am putting it in application folder of my own created Domain.
Suggest me...

Put it anywhere you like. You can always deploy it using the administrator console. There usually is an auto-deployment directory for the domain. You could find all that information in the Weblogic documentation.

No EJBs found in the ejb-jar file

Hello all, we are thinking about migrating from JBoss to WebLogic server, so as a proof of concept I am trying to migrate a JBoss Seam web application to WebLogic server.
I have followed all the instructions here: http://docs.jboss.org/seam/2.0.2.SP1/reference/en-US/html/weblogic.html and I have set up ebvryhting that is needed in order to start the server (JMS queues, datasources, etc) but when the server starts and tries to load the web application I got the following error message
<29 ═Ύί 2010 4:34:51 ΉΉ EET> <Error> <Deployer> <BEA-149205> <Failed to initialize the application 'myapplication-ear' due to error weblogic.application.ModuleException: Exception preparing module
: EJBModule(MyApplication.jar)
[EJB:011023]An error occurred while reading the deployment descriptor. The error was:
No EJBs found in the ejb-jar file 'MyApplication.jar'. Please ensure the ejb-jar contains EJB declarations via an ejb-jar.xml deployment descriptor or at least one class annotated with t
he @Stateless, @Stateful or @MessageDriven EJB annotation...
weblogic.application.ModuleException: Exception preparing module: EJBModule(MyApplication.jar)
[EJB:011023]An error occurred while reading the deployment descriptor. The error was:
No EJBs found in the ejb-jar file 'MyApplication.jar'. Please ensure the ejb-jar contains EJB declarations via an ejb-jar.xml deployment descriptor or at least one class annotated with t
he @Stateless, @Stateful or @MessageDriven EJB annotation..
at weblogic.ejb.container.deployer.EJBModule.prepare(EJBModule.java:467)
at weblogic.application.internal.flow.ModuleListenerInvoker.prepare(ModuleListenerInvoker.java:199)
at weblogic.application.internal.flow.DeploymentCallbackFlow$1.next(DeploymentCallbackFlow.java:507)
at weblogic.application.utils.StateMachineDriver.nextState(StateMachineDriver.java:41)
at weblogic.application.internal.flow.DeploymentCallbackFlow.prepare(DeploymentCallbackFlow.java:149)
Truncated. see log file for complete stacktrace
Caused By: java.io.IOException: No EJBs found in the ejb-jar file 'MyApplication.jar'. Please ensure the ejb-jar contains EJB declarations via an ejb-jar.xml deployment descriptor or at l
east one class annotated with the @Stateless, @Stateful or @MessageDriven EJB annotation.
at weblogic.ejb.container.dd.xml.EjbDescriptorReaderImpl.createReadOnlyDescriptorFromJarFile(EjbDescriptorReaderImpl.java:219)
at weblogic.ejb.spi.EjbDescriptorFactory.createReadOnlyDescriptorFromJarFile(EjbDescriptorFactory.java:93)
at weblogic.ejb.container.deployer.EJBModule.loadEJBDescriptor(EJBModule.java:1242)
at weblogic.ejb.container.deployer.EJBModule.prepare(EJBModule.java:395)
at weblogic.application.internal.flow.ModuleListenerInvoker.prepare(ModuleListenerInvoker.java:199)
Truncated. see log file for complete stacktrace
The MyApplication.jar is where we keep all the models and we are using an exploded folder for the ear file. We have declared all the classes to be entities by using the @Entity and @Table annotations and we have also defined an interceptor in the ejb-jar.xml file (shown below).
<?xml version="1.0" encoding="UTF-8"?>
<ejb-jar xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/ejb-jar_3_0.xsd"
version="3.0">
<interceptors>
<interceptor>
<interceptor-class>org.jboss.seam.ejb.SeamInterceptor</interceptor-class>
</interceptor>
</interceptors>
<assembly-descriptor>
<interceptor-binding>
<ejb-name>*</ejb-name>
<interceptor-class>org.jboss.seam.ejb.SeamInterceptor</interceptor-class>
</interceptor-binding>
</assembly-descriptor>
</ejb-jar>
I have tried to compile everythign from scratch by using weblogic.appc but I am getting the same error: No EJBs found in the ejb-jar file 'ejbModule'. Please ensure the ejb-jar contains EJB declarations via an ejb-jar.xml deployment descriptor or at least one class annotated with the @Stateless, @Stateful or @MessageDriven EJB annotation.
Any ideas what is going on and how I can resolve the issue?
Regards
Panos
Edited by: 816483 on 29 Νοε 2010 6:53 πμ

Hi John,
I am working on development an enterprise application using EJB 3.0 on Weblogic 10.
While developing, I am keeping all my classes (from ejb's as well as web) into APP-INF/classes directory. It is working fine for Web and ejb 2.0 packages, but ejb 3.0 packages, I get the following error when I keep my ejb 3.0 beans classes in APP-INF/classes directory.
No EJBs found in the ejb-jar file 'customer'. Please ensure the ejb-jar contains EJB declarations via an ejb-jar.xml deployment descriptor or at least one class annotated with the @Stateless, @Stateful or @MessageDriven EJB annotation.
One solution is to keep the classes under customer ejb directory, but I wan tto keep all the classes in APP-INF/classes directory so that when using Eclipse IDE I can output all compiled sources into APP-INF/classes directory.
Has anyone faced this situation? Any suggestions to fix this issue?

Updating an EJB jar file on WL7.0

Hi
Iam attempting to update an EBJ jar file without taking down my WL7.0 server.
When I copy the jar file to the applications directory, I see the server accepting
the update but when I run my client the update is not visible! Iseem to be still
accessing the old ejb.
From my understanding, if the server is running in development mode I should be
able to copy the jar file with my update directly to the applications directory(
overwriting old jar file) and be able to access the udated ejb.

Hello Ron,
An alternative would be to modify a REDEPLOY file if your application is deployed
in exploded directory format. However, updating the EJB JAR should also do the
trick. Try going into the Admin console and explicity redeploying the EJB JAR
file after copying over the new JAR file. Let us know if any errors appear.
Best regards,
Ryan LeCompte
[email protected]
http://www.louisiana.edu/~rml7669
"Ron Turner" <[email protected]> wrote:
>
Hi
Iam attempting to update an EBJ jar file without taking down my WL7.0
server.
When I copy the jar file to the applications directory, I see the server
accepting
the update but when I run my client the update is not visible! Iseem
to be still
accessing the old ejb.
From my understanding, if the server is running in development mode I
should be
able to copy the jar file with my update directly to the applications
directory(
overwriting old jar file) and be able to access the udated ejb.

IO Error while deploying application client jar file ???????

Hi,
In my .ear file, one application-client jar(which contains all helper classes which are used in whole application) file is there. While deploying .ear file, all ejb are getting deployed well, while deploying application client jar file(Global.jar file here) it is giving the following message:
IO Error deploying Global.jar: D:\oracle9ias\oc4j_extended\j2ee\home\applications\trainiumear\Global.jar
Here is application-client.xml of Global.jar file:
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE application PUBLIC '-//Sun Microsystems, Inc.//DTD J2EE Application 1.2//EN' 'http://java.sun.com/j2ee/dtds/application-client_1_2.dtd'>
<application-client>
<display-name>TrainiumClientApp</display-name>
<description>Application description</description>
</application-client>
My Environment: Oracle9iAS (9.0.3.0.0), Windows-NT
Please let me know Why i am getting 'IO Error' , where i may done wrong ?
Thanks in Advance
Srinivas

Srinivas,
Before we continue, PLEASE tell me if you've looked through the available
documentation, code samples, "how-to" documents, etc., for OC4J. It
seems to me that you're mixing things up a bit. I use the "deploy"
command to deploy my EARs, example (partial):
java -jar admin.jar ormi://<host> admin <password> -deploy ...
And my EAR file is not in the "application-deployments" directory
when I issue that command.
Perhaps you could also show me the contents of your "application.xml"
file for this application you are having trouble with.
But I repeat, please tell me if you have already looked at the
available documents regarding OC4J!
Thanks,
Avi.

Cannot build EJB jar file in NWDS

hello,
I changed java beans file, and tried to build jar file again, then the "build EJB archive" context menu is disabled so I can not make EJB jar file!
So frustrated.. NWDS recognizes the changes in the java files , right? How come there 's no Build menu..
Is there any pre-requisite to enable the menu?
I have no idea how I can build jar file..
Please give me a advice.. Thanks~!

You might check the weblogic.developer.interest.ejb.tools new group.
Make sure that the tool doesn't leave this ejbcgen directory around. It
should delete
that temp dir. When it doesn't it keeps all the old generated stuff around
and your changes won't be
reflected in the new jar.
Rodrigo Ruiz Aguayo <[email protected]> wrote in message
news:[email protected]..
Hi,
I have a problem with the EJBDeployerTool. When I want to update
a class file (for example, because I corrected any problem), the
deployer tool doesn't update the file correctly. It keeps the
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In order to update a jar I have to copy the newer version in the
.ejbdeployer/provider-projects directory by hand. Is it a bug?
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in this task, instead of programming :_(
Thanks in advance,
José Rodrigo Ruiz Aguayo e-mail : [email protected]
I.T. en Informática de Sistemas webpage : ---------------------
"Simulation is perfect, whenever we're not talking about reality"

ClassNotFoundException if ejb jar file is not placed in the server's classpath

Hi,
My ejb jar file contains some non-weblogic generated files and is placed in
the applications directory. When client is executed, I get the ClassNotFoundException
on the server when my bean makes a reference to the generated class. The problem
gets resolved if I put the ejb jar in the server's classpath.
This problem happens in weblogic server version 6.1. It was not happening in
the previous releases of weblogic server(6.0).

Well
I follow your instruction
I am pasting the command prompt operation
Coding is same above
My all three files (.java )is resides in javath folder
command prompt code
Z:\javath>javac -d . sa.java
Z:\javath>javac -d . sb.java
Z:\javath>jar -cvf p1.jar p1/*.class
added manifest
adding: p1/sa.class(in = 687) (out= 423)(deflated 38%)
adding: p1/sb.class(in = 185) (out= 153)(deflated 17%)
Z:\javath>javac demopack.java
demopack.java:4: cannot access sb
bad class file: .\sb.java
file does not contain class sb
Please remove or make sure it appears in the correct subdirectory of the classpa
th.
public class demopack implements sb
^
1 error
Z:\javath>------------------------------------------------------------
in demopack.java file i want to access class files which are resides in
jar files
Actually when we are writing import java.io.*;
we can access all the class file from that io package
Same thing i am trying to implement for user defined package
I hope you understand my question
regards

Unable to create ejb.jar file.

how do we create an ejb.jar file in j2ee explorer.
I am not able to see the option <i>Build Ejb.jar</i>
in the context menu when i click on my ejb project
Regards
Naresh Garg

hi Naresh,
There is option called EJB Archive this option builds your EJB. if your trying to create Web Module Project you can only create WAR file .
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How do I deploy an external JAR file

Hello,
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I am grateful for every hint.

Hi Manuel,
If you read my blog mentioned in the beginning of the thread, you will note that such solution is not supported in our engine due to number of reasons.
Please, read the blog and use application library shared among these two applications. You will achieve the same effect. Please note that the using application will need run and deploy-time dependencies to the shared library.
You should not add files to any of the folders manually or manipulate engine's classpath in such situations.
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Hi,
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I create the external resource, but when i try to cataloge the package it doesn´t work
The message it returns is:
[Error] Excepción de introspección: Internal Error: java.lang.VerifyError: (class: com/lowagie/text/RectangleReadOnly, method: <init> signature: (Lcom/lowagie/text/Rectangle;)V) Bad access to protected data..
is there anything i can do to solve this problem?..
Thanks for your time
Alfredo Butrón
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Hi Dan,
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When i run my class out of OBPM it works fine, but when i try to invoke my class from OBPM with the same jar classes i use in a external way i get the following message:
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     at fuego.component.ExecutionThread.run(ExecutionThread.java:408)
Caused by: java.lang.NoSuchMethodError: com.lowagie.text.pdf.PdfWriter.setRgbTransparencyBlending(Z)V
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i change the version of iText.jar many times and i get the same message..
thanks in advance
ALfredo

EJB relation mappings between different ejb jar files.

I have two local entity EJBs but they are in different ejb jar files. I'd like to make a relationship mapping (one-to-one, one-to-many or whatever) between them. Is it possible? To do that, I need <ejb-name> reference tag each other in both ejb-jar.xml, but how can I refer to ejb-name defined in different ejb jar files? Or as long as you make EJB relationship mappings, all EJBs must be in the same ejb jar file?
thanks,
-tom

Refer to
http://www.onjava.com/pub/a/onjava/2001/06/26/ejb.html?page=2&x-showcontent=text

Problem accessing Application Ejb Jar files from Apache Axis jars

I have deployed an EAR application, with a structure as shown below,
MyApp.ear
|____ MyApp_Ejb.jar
|____ axis.war
|_____ WEB-INF
|_____ lib (This contains all axis specific jars)
The application deploys just fine. But when i goto happyaxis.jsp and try to view all the web services that have been deployed. I get an exception "No provider type matches QName '{http://xml.apache.org/axis/wsdd/providers/java}SDL".
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I do not get as to why the axis.jar is not able to find classes in MyApp_Ejb.ear, when both these are in the same ear.
Now i know i can add a utility jar to a war files classpath by adding a classpath line in the War file MANIFEST.MF. But since MyApp_Ejb.jar is defined as a Web Module this solution too doesnt help.
Separating the provider related files from MyApp_Ejb.jar is not possible since there is too much dependance of other files within that jar.
So i am looking for a solution where in i can continue to have MyApp_Ejb.jar as my ejb module as well as the axis related jars can find the required classes within MyApp_Ejb.jar. some way of sharing the ejb jar across to axis jars.
Thanks in advance.
Vicky

I have deployed an EAR application, with a structure as shown below,
MyApp.ear
|____ MyApp_Ejb.jar
|____ axis.war
|_____ WEB-INF
|_____ lib (This contains all axis specific jars)
The application deploys just fine. But when i goto happyaxis.jsp and try to view all the web services that have been deployed. I get an exception "No provider type matches QName '{http://xml.apache.org/axis/wsdd/providers/java}SDL".
Here SDL is a custom provider that i have written and all the required files for the provider are available in MyApp_Ejb.jar.
I do not get as to why the axis.jar is not able to find classes in MyApp_Ejb.ear, when both these are in the same ear.
Now i know i can add a utility jar to a war files classpath by adding a classpath line in the War file MANIFEST.MF. But since MyApp_Ejb.jar is defined as a Web Module this solution too doesnt help.
Separating the provider related files from MyApp_Ejb.jar is not possible since there is too much dependance of other files within that jar.
So i am looking for a solution where in i can continue to have MyApp_Ejb.jar as my ejb module as well as the axis related jars can find the required classes within MyApp_Ejb.jar. some way of sharing the ejb jar across to axis jars.
Thanks in advance.
Vicky

Problem regarding Deployment of EJB jar file

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